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133400143 is a prime number
BaseRepresentation
bin1111111001110…
…00011001001111
3100022000102121001
413330320121033
5233122301033
621123121131
73206611462
oct774703117
9308012531
10133400143
1169334558
12388131a7
13218392c6
1413a072d9
15baa0e7d
hex7f3864f

133400143 has 2 divisors, whose sum is σ = 133400144. Its totient is φ = 133400142.

The previous prime is 133400119. The next prime is 133400171. The reversal of 133400143 is 341004331.

It is a weak prime.

It is an emirp because it is prime and its reverse (341004331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133400143 - 221 = 131302991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133400143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133400243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66700071 + 66700072.

It is an arithmetic number, because the mean of its divisors is an integer number (66700072).

Almost surely, 2133400143 is an apocalyptic number.

133400143 is a deficient number, since it is larger than the sum of its proper divisors (1).

133400143 is an equidigital number, since it uses as much as digits as its factorization.

133400143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 133400143 is about 11549.8979649173. The cubic root of 133400143 is about 510.9582688107.

Adding to 133400143 its reverse (341004331), we get a palindrome (474404474).

The spelling of 133400143 in words is "one hundred thirty-three million, four hundred thousand, one hundred forty-three".